Common Weakness Enumeration
CWE-665
DiscouragedImproper Initialization
Abstraction: Class · Status: Draft
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
425 vulnerabilities reference this CWE, most recent first.
CVE-2021-4218 (GCVE-0-2021-4218)
Vulnerability from cvelistv5 – Published: 2022-08-24 15:08 – Updated: 2024-08-03 17:16
VLAI
EPSS
VEX
Summary
A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.
Severity
No CVSS data available.
CWE
- CWE-665 - - Improper Initialization -> CWE-824 - Access of Uninitialized Pointer
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugs.centos.org/view.php?id=18395 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=2048359 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2021-4218 | x_refsource_MISC |
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CVE-2021-3565 (GCVE-0-2021-3565)
Vulnerability from cvelistv5 – Published: 2021-06-04 11:39 – Updated: 2024-08-03 17:01
VLAI
EPSS
VEX
Summary
A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.
Severity
No CVSS data available.
CWE
- CWE-665 - >CWE-200
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1964427 | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | tpm2-tools |
Affected:
tpm2-tools 5.1.1, tpm2-tools 4.3.2
|
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CVE-2021-0280 (GCVE-0-2021-0280)
Vulnerability from cvelistv5 – Published: 2021-07-15 20:00 – Updated: 2024-09-16 22:40
VLAI
EPSS
VEX
Title
Junos OS: PTX Series, QFX10K Series: Upon receipt of specific packets BFD sessions might flap due to DDoS policer implementation in Packet Forwarding Engine
Summary
Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on PTX platforms and QFX10K Series with Paradise (PE) chipset-based line cards, ddos-protection configuration changes made from the CLI will not take effect as expected beyond the default DDoS (Distributed Denial of Service) settings in the Packet Forwarding Engine (PFE). This may cause BFD sessions to flap when a high rate of specific packets are received. Flapping of BFD sessions in turn may impact routing protocols and network stability, leading to a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects only the following platforms with Paradise (PE) chipset-based line cards: PTX1000, PTX3000 (NextGen), PTX5000, PTX10008, PTX10016 Series and QFX10002 Series. This issue affects: Juniper Networks Junos OS 17.4 versions prior to 17.4R3-S5 on PTX Series, QFX10K Series; 18.2 versions prior to 18.2R3-S8 on PTX Series, QFX10K Series; 18.3 versions prior to 18.3R3-S5 on PTX Series, QFX10K Series; 18.4 versions prior to 18.4R2-S8 on PTX Series, QFX10K Series; 19.1 versions prior to 19.1R3-S5 on PTX Series, QFX10K Series; 19.2 versions prior to 19.2R3-S2 on PTX Series, QFX10K Series; 19.3 versions prior to 19.3R3-S2 on PTX Series, QFX10K Series; 19.4 versions prior to 19.4R3-S2 on PTX Series, QFX10K Series; 20.1 versions prior to 20.1R3 on PTX Series, QFX10K Series; 20.2 versions prior to 20.2R2-S3, 20.2R3 on PTX Series, QFX10K Series; 20.3 versions prior to 20.3R2 on PTX Series, QFX10K Series; 20.4 versions prior to 20.4R2 on PTX Series, QFX10K Series.
Severity
7.5 (High)
CWE
- CWE-665 - Improper Initialization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11184 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
17.4 , < 17.4R3-S5
(custom)
Affected: 18.2 , < 18.2R3-S8 (custom) Affected: 18.3 , < 18.3R3-S5 (custom) Affected: 18.4 , < 18.4R2-S8 (custom) Affected: 19.1 , < 19.1R3-S5 (custom) Affected: 19.2 , < 19.2R3-S2 (custom) Affected: 19.3 , < 19.3R3-S2 (custom) Affected: 19.4 , < 19.4R3-S2 (custom) Affected: 20.1 , < 20.1R3 (custom) Affected: 20.2 , < 20.2R2-S3, 20.2R3 (custom) Affected: 20.3 , < 20.3R2, 20.3R3 (custom) Affected: 20.4 , < 20.4R2 (custom) |
Date Public
2021-07-14 00:00
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CVE-2021-0234 (GCVE-0-2021-0234)
Vulnerability from cvelistv5 – Published: 2021-04-22 19:37 – Updated: 2024-09-17 03:52
VLAI
EPSS
VEX
Title
Junos OS: QFX5100-96S: DDoS protection does not work as expected.
Summary
Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS (Distributed Denial of Service) settings when configured from the CLI. The DDoS protection (jddosd) daemon allows the device to continue to function while protecting the packet forwarding engine (PFE) during the DDoS attack. When this issue occurs, the default DDoS settings within the PFE apply, as CPU bound packets will be throttled and dropped in the PFE when the limits are exceeded. To check if the device has this issue, the administrator can execute the following command to monitor the status of DDoS protection: user@device> show ddos-protection protocols error: the ddos-protection subsystem is not running This issue affects only QFX5100-96S devices. No other products or platforms are affected by this issue. This issue affects: Juniper Networks Junos OS on QFX5100-96S: 17.3 versions prior to 17.3R3-S10; 17.4 versions prior to 17.4R3-S4; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R3-S2; 18.4 versions prior to 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R3, 19.1R3-S4; 19.2 versions prior to 19.2R2; 19.3 versions prior to 19.3R3; 19.4 versions prior to 19.4R2;
Severity
5.8 (Medium)
CWE
- Denial of Service (DoS)
- CWE-665 - Improper Initialization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11129 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
17.3 , < 17.3R3-S10
(custom)
Affected: 17.4 , < 17.4R3-S4 (custom) Affected: 18.1 , < 18.1R3-S10 (custom) Affected: 18.2 , < 18.2R3-S3 (custom) Affected: 18.3 , < 18.3R3-S2 (custom) Affected: 18.4 , < 18.4R2-S4, 18.4R3-S1 (custom) Affected: 19.1 , < 19.1R3, 19.1R3-S4 (custom) Affected: 19.2 , < 19.2R2 (custom) Affected: 19.3 , < 19.3R3 (custom) Affected: 19.4 , < 19.4R2 (custom) |
Date Public
2021-04-14 00:00
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CVE-2021-0226 (GCVE-0-2021-0226)
Vulnerability from cvelistv5 – Published: 2021-04-22 19:36 – Updated: 2024-09-17 00:11
VLAI
EPSS
VEX
Title
Junos OS Evolved: The IPv6 BGP session will flap due to receipt of a specific IPv6 packet
Summary
On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases.
Severity
7.1 (High)
CWE
- Denial of Service (DoS)
- CWE-665 - Improper Initialization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11121 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS Evolved |
Affected:
19.4-EVO , < 19.4R2-S3-EVO
(custom)
Affected: 20.1-EVO , < 20.1R2-S3-EVO (custom) Affected: 20.2-EVO , < 20.2R2-S1-EVO (custom) Affected: 20.3-EVO , < 20.3R2-EVO (custom) |
Date Public
2021-04-14 00:00
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CVE-2020-35508 (GCVE-0-2020-35508)
Vulnerability from cvelistv5 – Published: 2021-03-26 16:45 – Updated: 2024-08-04 17:02
VLAI
EPSS
VEX
Summary
A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1902724 | x_refsource_MISC |
| https://github.com/torvalds/linux/commit/b4e00444… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021051… | x_refsource_CONFIRM |
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CVE-2020-25662 (GCVE-0-2020-25662)
Vulnerability from cvelistv5 – Published: 2020-11-05 00:00 – Updated: 2024-08-04 15:40
VLAI
EPSS
VEX
Summary
A Red Hat only CVE-2020-12352 regression issue was found in the way the Linux kernel's Bluetooth stack implementation handled the initialization of stack memory when handling certain AMP packets. This flaw allows a remote attacker in an adjacent range to leak small portions of stack memory on the system by sending specially crafted AMP packets. The highest threat from this vulnerability is to data confidentiality.
Severity
5.3 (Medium)
Assigner
References
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CVE-2020-14347 (GCVE-0-2020-14347)
Vulnerability from cvelistv5 – Published: 2020-08-05 13:08 – Updated: 2024-08-04 12:39
VLAI
EPSS
VEX
Summary
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Severity
5.5 (Medium)
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://lists.x.org/archives/xorg-announce/2020-J… | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://www.debian.org/security/2020/dsa-4758 | vendor-advisoryx_refsource_DEBIAN |
| https://usn.ubuntu.com/4488-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4488-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://security.gentoo.org/glsa/202012-01 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Xorg Project | xorg-x11-server |
Affected:
1.20.9
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CVE-2020-10725 (GCVE-0-2020-10725)
Vulnerability from cvelistv5 – Published: 2020-05-20 13:16 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.
Severity
7.7 (High)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujan2021.html | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://bugs.dpdk.org/show_bug.cgi?id=270 | x_refsource_MISC |
Impacted products
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CVE-2020-8918 (GCVE-0-2020-8918)
Vulnerability from cvelistv5 – Published: 2020-08-11 18:35 – Updated: 2024-08-04 10:12
VLAI
EPSS
VEX
Title
TPM 1.2 key authorization values are vulnerable to a TPM transport eavesdropper
Summary
An improperly initialized 'migrationAuth' value in Google's go-tpm TPM1.2 library versions prior to 0.3.0 can lead an eavesdropping attacker to discover the auth value for a key created with CreateWrapKey. An attacker listening in on the channel can collect both 'encUsageAuth' and 'encMigrationAuth', and then can calculate 'usageAuth ^ encMigrationAuth' as the 'migrationAuth' can be guessed for all keys created with CreateWrapKey. TPM2.0 is not impacted by this. We recommend updating your library to 0.3.0 or later, or, if you cannot update, to call CreateWrapKey with a random 20-byte value for 'migrationAuth'.
Severity
6.3 (Medium)
CWE
- CWE-665 - Improper Initialization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/google/go-tpm/security/advisor… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | google/go-tpm library |
Affected:
stable , < 0.3.0
(custom)
|
Credits
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, in Java, if the programmer does not explicitly initialize a variable, then the code could produce a compile-time error (if the variable is local) or automatically initialize the variable to the default value for the variable's type. In Perl, if explicit initialization is not performed, then a default value of undef is assigned, which is interpreted as 0, false, or an equivalent value depending on the context in which the variable is accessed.
Mitigation
Architecture and Design
Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.
Mitigation
Implementation
Explicitly initialize all your variables and other data stores, either during declaration or just before the first usage.
Mitigation
Implementation
Pay close attention to complex conditionals that affect initialization, since some conditions might not perform the initialization.
Mitigation
Implementation
Avoid race conditions (CWE-362) during initialization routines.
Mitigation
Build and Compilation
Run or compile your product with settings that generate warnings about uninitialized variables or data.
CAPEC-26: Leveraging Race Conditions
The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.